What causes the power steering warning light to come on?
The power steering warning light is a crucial indicator on your vehicle's dashboard. When it illuminates, it signals that there may be an issue with your power steering system. Ignoring this warning can lead to more significant problems and even compromise your ability to steer safely. In this article, we’ll explore the common causes of the power steering warning light and what you should do if it comes on.
1. Low Power Steering Fluid
One of the most common reasons for the power steering warning light to come on is low power steering fluid. The fluid is essential for the hydraulic system to function properly, allowing you to steer your vehicle with ease. If the fluid level drops too low, the system may not work efficiently, triggering the warning light.
2. Power Steering Pump Failure
The power steering pump is responsible for circulating the fluid through the system. If the pump fails or becomes damaged, it can lead to a loss of hydraulic pressure, which may cause the warning light to illuminate. A failing pump often produces whining or groaning noises when you turn the steering wheel.
3. Electrical Issues in Electric Power Steering Systems
Modern vehicles often use electric power steering (EPS) systems instead of hydraulic ones. In these systems, the warning light may come on due to electrical issues such as a blown fuse, a malfunctioning motor, or a problem with the EPS control module. These issues can disrupt the system's ability to assist with steering.
4. Steering Rack Problems
The steering rack is a critical component of the power steering system. If it becomes damaged or worn out, it can cause the warning light to activate. Symptoms of a failing steering rack may include difficulty turning the wheel or uneven steering response.
5. Sensor Malfunctions
Many vehicles are equipped with sensors that monitor the power steering system. If one of these sensors malfunctions or sends incorrect data to the vehicle's computer, it can trigger the warning light. This issue may require diagnostic testing to pinpoint the faulty sensor.
6. Contaminated or Old Power Steering Fluid
Over time, power steering fluid can become contaminated with debris or lose its effectiveness. Dirty or degraded fluid can cause the system to work harder than it should, potentially leading to the warning light coming on. Regular fluid checks and replacements can help prevent this issue.
What to Do When the Power Steering Warning Light Comes On
If your power steering warning light comes on, follow these steps to address the issue:
- Check the power steering fluid level and top it off if necessary. Use the type of fluid recommended in your vehicle's owner’s manual.
- Inspect for visible leaks around the power steering system components.
- Listen for unusual noises when turning the steering wheel, as this could indicate a pump or rack issue.
- If you drive a vehicle with EPS, check the fuses and electrical connections for any signs of damage or corrosion.
- Schedule a diagnostic appointment with a trusted auto repair shop to identify and fix the problem.
Conclusion
The power steering warning light is not something to ignore. Whether it’s a simple fluid issue or a more complex mechanical or electrical problem, addressing it promptly can save you from costly repairs and ensure your safety on the road. At Kevin’s Autos, we specialize in diagnosing and repairing power steering systems. If you’re experiencing issues, don’t hesitate to contact us for expert assistance!
Frequently Asked Questions
Can I still drive with the power steering light on?
If you're driving along and you notice your power steering light come on – which looks like a steering wheel with an exclamation mark next to it – you should park your car in a safe place as soon as you can, taking extra care as you'll be struggling a little with much heavier steering.
How do I fix my power steering warning?
Below are the key steps to help you fix power steering warning light:
- Step 1: Check the Power Steering Fluid Level (Hydraulic Systems)
- Step 2: Inspect for Leaks.
- Step 3: Check the Power Steering Belt (Hydraulic Systems)
- Step 4: Test the Electrical Connections (Electric Power Steering Systems)
- Step 5: Reset the System.
How much does it cost to fix power steering?
On average, replacing your power steering pump can cost between $500 and $900, but it's essential to avoid more serious damage to the power steering system. Replacing the pump yourself can save you about $300 and significantly lower the total cost of this repair.
What is the most common cause of power steering failure?
What Causes Power Steering to Go Out. One of the most common causes of fluid pressure loss is the development of even a small leak in your fluid lines. This issue typically doesn't occur suddenly; it often starts with a worn seal gradually deteriorating or a hose developing a minor flaw.
How much does it cost to fix electric power steering?
On average, replacing your power steering pump can cost between $500 and $900, but it's essential to avoid more serious damage to the power steering system. Replacing the pump yourself can save you about $300 and significantly lower the total cost of this repair.
What is the average cost to fix power steering?
Power steering pumps are essential to the operation of the car cars with power steering. The job can be costly: between $100-$200 for new power steering pump if you DIY and around $500 to get it done by a mechanic.
How do I reset my electric power steering light?
Often, you can fix the problem by pulling off the road, shutting the car off, and letting it sit for a minute. When you turn the car back on, the system will reset itself. If it doesn't, you need to have the steering system inspected as soon as possible.
Can I just refill my power steering fluid?
Yes. If your power steering fluid level is low, you can add the correct type of fluid to top it up. Make sure you check your vehicle handbook before doing so. However, power steering fluid is NOT a consumable like engine oil or screenwash.
What causes an electric power steering warning light?
When your car is running low on power steering liquid, it will trigger the warning. A bright EPS light may also come on if your car has an electronic power steering (EPS) system. Since EPS has no fluid, there won't be any fluid for you to monitor or maintain. Instead, the flaw may be due to an electrical fault.
How to reset power steering?
Often, you can fix the problem by pulling off the road, shutting the car off, and letting it sit for a minute. When you turn the car back on, the system will reset itself. If it doesn't, you need to have the steering system inspected as soon as possible.
